(1) The combat uniform is prescribed for year-round wear for all Soldiers, unless otherwise directed by the commander. Soldiers may wear the combat uniform off-post, unless prohibited by the commander. (2) Soldiers may wear the combat uniform for commercial travel per paragraph 3–7b through c. (3) Soldiers may roll-up the sleeves on the ACU. When Soldiers wear the sleeves of the ACU coat rolled up, the camouflage pattern will remain exposed. Personnel will roll sleeves neatly above the elbow but no more than 3 inches above the elbow. Upon approval of the commander and only during field training exercises, the sleeves may be down and cuffed inside the coat.
Straight out of 670-1